TABLE 4.
Characteristics of adults in Wave 2 data collection, by case and comparison families.
| Case families a | Comparison families | |
|---|---|---|
| Number of participants | N = 7359 (%) | N = 1440 (%) |
| Mean age (sd) | 39.3 (13.3) | 37.0 (14.4) |
| Range | 17–96 | 18–86 |
| Female (%) | 4027 (54.7) | 795 (55.2) |
| Race/ethnicity (self‐report) | ||
| Black (%) | 2003 (27.2) | 225 (15.6) |
| White (%) | 5146 (69.9) | 1122 (77.9) |
| Hispanic ethnicity (%) | 517 (7.0) | 57 (4.0) |
| Education—highest number of years completed (mean, sd) | 12.7 (2.2) | 14.4 (2.1) |
| Interviewed in Wave 1 (%) | 4167 (56.6) | 915 (63.5) |
| Wave 2 only (%) | 3193 (43.4) | 525 (36.5) |
| Substance dependence (DSM‐3R) (may have more than one) (n, %) | ||
| Alcohol | 3236 (44.0) | 226(15.7) |
| Cannabis | 1686 (22.9) | 105 (7.3) |
| Cocaine | 1298 (17.6) | 33 (2.3) |
| Other stimulants | 544 (7.4) | 12 (0.8) |
| Opiates | 362 (4.9) | 7 (0.5) |
| Sedatives | 248 (3.4) | 6 (0.4) |
| Tobacco—DSM‐4 dependence | 2549 (34.6) | 211 (14.7) |
| Non substance dx: (DSM‐3R) (n, %) | ||
| Major depression | 2791 (37.9) | 303 (21.0) |
| GAD b | 13 (0.2) | 2 (0.2%) |
| Panic b | 184 (2.8) | 17 (1.4) |
| Agoraphobia b | 186 (2.9) | 15 (1.3) |
| Social phobia b | 239 (3.7) | 17 (1.4) |
| Conduct c | 1283 (17.4) | 113 (7.9) |
| ASPD c | 922 (12.5) | 60 (4.2) |
| Obsessive‐compulsive disorder b | 83 (1.1) | 3 (0.2) |
| PTSD b | 388 (6.0) | 19 (1.6) |
| Suicide attempt b | 695 (10.7) | 32 (2.7) |
a
Includes participants from other family types (e.g., alcohol challenge, n = 10).
b
Percent calculated on reduced n, owing to omission of some sections across sites, n's from 6487 to 6505 (case families); 1179 (comparison families).
c
Includes substance‐related symptoms.